Hess Law Worksheet Pdf

2h g 2cl g h2 cl 2 2hcl g a b δh on an energy level diagram the directions of the. Calculate h for the reaction c2h4 g h2 g c2h6 g from the following data.

Hess S Law Chemistry Tutorial Chemistry Tutorial Law

1 check to see if the compounds are on the correct sides of the reaction.

Hess law worksheet pdf. Calculate h for the reaction 4 nh3 g 5 o2 g 4 no g 6. Calculate h for the reaction c 2h 4 g h 2 g c 2h 6 g from the following data. Chemistry 120 hess s law worksheet 1.

X last modified by. Brooklyn city board of education other titles. C2h4 g 3 o2 g 2 co2 g 2 h2o l h 1411.

4 16 2009 6 04 00 pm company. Hess s law for a chemical equation that can be written as the sum of two or more steps the enthalpy change for the overall equation equals the sum of the enthalpy changes of the individual steps the enthalpy change for the reaction of no 2 to produce n 2 o 4 can be determined by using a two step path. Hess s law worksheet author.

10 22 2014 2 38 00 am company. Chemistry 120 hess s law worksheet 1. Student worksheet solutions predicting h using hess s law extra exercises solution lsm 5 4 3.

Hess s law see at end for supplemental notes on h formation with hess s law the enthalpy change δh r o for a reaction is the sum of the enthalpy changes for a series of reactions that add up to the overall reaction. Kj mole c2h6 g 7 2 o2 g 2 co2 g 3 h2o l h 1560. Deborah herman created date.

The libretexts libraries are powered by mindtouch and are supported by the department of education open textbook pilot project the uc davis office of the provost the uc davis library the california state university affordable learning solutions program and merlot. Kj mole h2 g 1 2 o2 g h2o l h 285 8 kj mole 2. We also acknowledge previous national science foundation support under grant numbers 1246120 1525057 and 1413739.

Hess s law worksheet. Kj mole h 2 g 1 2 o 2 g h 2o l h 285 8 kj mole 2. 3 12 hess s law hess s law states that total enthalpy change for a reaction is independent of the route by which the chemical change takes place hess s law is a version of the first law of thermodynamics which is that energy is always conserved.

Hess s law worksheet created date. C 2h 4 g 3 o 2 g 2 co 2 g 2 h 2o l h 1411. Kj mole c 2h 6 g 7 2 o 2 g 2 co 2 g 3 h 2o l h 1560.

Calculate h for the reaction 4 nh 3 g 5 o.

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Week 6 Worksheet Hess S Law Worksheet 1 Calculate H For The Reaction C2h4 G H2 G C2h6 G From The Following Data C2h4 G 3 O2 G 2 Co2 G 2 H2o L H Course Hero